2 BANDAI RX-78 Emulator 'eRX-78'
4 Author : Takeda.Toshiya
14 static const int key_map[9][8] = {
15 {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37},
16 {0x38, 0x39, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf},
17 {0xc0, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47},
18 {0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f},
19 {0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57},
20 {0x58, 0x59, 0x5a, 0xdb, 0xdc, 0xdd, 0xde, 0xe2},
21 {0x20, 0x28, 0x26, 0x27, 0x25, 0x24, 0x00, 0x2e},
22 {0x00, 0x00, 0x00, 0x08, 0x00, 0x0d, 0x00, 0x14},
23 {0x11, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00}
26 void KEYBOARD::initialize()
28 key_stat = emu->get_key_buffer();
29 // joy_stat = emu->get_joy_buffer();
31 // register event to update the key status
32 register_frame_event(this);
35 void KEYBOARD::write_io8(uint32_t addr, uint32_t data)
40 uint32_t KEYBOARD::read_io8(uint32_t addr)
42 return (column == 0x30) ? status[15] : (1 <= column && column <= 15) ? status[column - 1] : 0;
45 void KEYBOARD::event_frame()
47 memset(status, 0, sizeof(status));
49 for(int i = 0; i < 9; i++) {
51 val |= key_stat[key_map[i][0]] ? 0x01 : 0;
52 val |= key_stat[key_map[i][1]] ? 0x02 : 0;
53 val |= key_stat[key_map[i][2]] ? 0x04 : 0;
54 val |= key_stat[key_map[i][3]] ? 0x08 : 0;
55 val |= key_stat[key_map[i][4]] ? 0x10 : 0;
56 val |= key_stat[key_map[i][5]] ? 0x20 : 0;
57 val |= key_stat[key_map[i][6]] ? 0x40 : 0;
58 val |= key_stat[key_map[i][7]] ? 0x80 : 0;
63 joy_stat = emu->get_joy_buffer();
64 switch(joy_stat[0] & 0x0f) {
65 case 0x1: status[ 9] |= 0x11; break; // u
66 case 0x2: status[11] |= 0x11; break; // d
67 case 0x4: status[ 9] |= 0x44; break; // l
68 case 0x5: status[ 9] |= 0x22; break; // lu
69 case 0x6: status[10] |= 0x11; break; // ld
70 case 0x8: status[11] |= 0x44; break; // r
71 case 0x9: status[10] |= 0x22; break; // ru
72 case 0xa: status[11] |= 0x22; break; // rd
74 if(joy_stat[0] & 0x10) status[ 9] |= 0x88; // b1
75 if(joy_stat[0] & 0x20) status[11] |= 0x88; // b2
77 switch(joy_stat[1] & 0x0f) {
78 case 0x1: status[12] |= 0x11; break; // u
79 case 0x2: status[14] |= 0x11; break; // d
80 case 0x4: status[12] |= 0x44; break; // l
81 case 0x5: status[12] |= 0x22; break; // lu
82 case 0x6: status[13] |= 0x11; break; // ld
83 case 0x8: status[14] |= 0x44; break; // r
84 case 0x9: status[13] |= 0x22; break; // ru
85 case 0xa: status[14] |= 0x22; break; // rd
87 if(joy_stat[1] & 0x10) status[12] |= 0x88; // b1
88 if(joy_stat[1] & 0x20) status[14] |= 0x88; // b2
89 emu->release_joy_buffer(joy_stat);
92 for(int i = 0; i < 15; i++) {
98 #define STATE_VERSION 1
100 bool KEYBOARD::process_state(FILEIO* state_fio, bool loading)
102 if(!state_fio->StateCheckUint32(STATE_VERSION)) {
105 if(!state_fio->StateCheckInt32(this_device_id)) {
108 state_fio->StateArray(status, sizeof(status), 1);
109 state_fio->StateValue(column);